Rotary valve



J. GORDON.

ROTARY VALVE.

APPLICATION FILED DEC. 4. 1920. RENEWED MAR. 25. 1922. L434,695.

vnr

INVENTOR.

A TTORNE Y.

.l atented Nov. 7, i922.

JOHN GORDON, 03E' SEATTLE, WASHNG-TON.

ROTARY VALVE.

Application tiled December 4, 1920, Serial No. 428,250. Renewed March 25, 1922. i Serial No. 546,889.

To aZZ who/ml t may concern:

Be it known that l, JOHN GORDON, a citizen of the United States, and residing at Seattle, in the county ot King and` State of l/Vashington, have invented certain new and useful improvements in Rotary Valves, ot which the followingis a specification.

This invention relates to an improvement in valves of the rotary type, and particularly to a leak-proof construction, in the use of which the valve may be moved to a position to control the flow of a pressure medium through a conduit, or to exhaust to the atmosphere at Will.

ln the drawings:-

Fig. 1 is a broken view in elevation illustrating the application of the improved valve.

Fig. 2 is a horizontal section through the valve structure.

Fig. 3 is an end elevation of the valve structure.

Fig. 4 is an opposite end elevation ot the valve structure.

Fig. 5 is aI sectional detail of the valve proper.

rllhe improved valve comprises a body 1 having a lateral reduced extension 2. One tace oit the valve is Jformed with a conical valve seat 3 to receive a conical valve 4, Which valve is provided with a rod 5 entend in@r through the body and extension 2 to provide an elongated bearingl for the valve.

rihe body 1 is formed vvith a diametric port 6 and with a single port 7 opening through the body in one direction trom and at right angles to the port 6. The valve is formed with a diametric port 8 openingr therethrough and witha lateral port 9 eX- tending` at right angles to and communicating with the port 8.

A handle sleeve 10 is mounted on the eX- tensiou 2 oi the valve body and extends beyond the free end ot such extension. This handle sleeve serves to prevent a bendng strain on the valve stem 5. A. pin 11 extends througrh an openingr in the valve rod immediately bevond the tree end of the body extension 2, to thus prevent disconnec tion of the valve from the body, the pin ll extending through a cut-Out portion 12 in the sleeve. A handle 13 is connected with the sleeve 10 tor the operation ot the valve. Pins 14 extend from the body extension 2 to be engaged by the pin 11.015 the valve during operation of the valve, and limit the respective positions ot the valve. The conical valve 4 is provided With a projection 15 on which bearsone endet a leaf spring 16, the opposite end of the springe,- being secured to the valve body as at 17. The Wear ot the valve in the valve seat is thus automatically taken up by the spring 16.

ln Fig. 1 there is shown an application of the valve to the jump cylinders for lifting and lowering circular saws and the like. In this use, the cylinder 18 is provided With a pistQn 19 and rod 20, which piston is adapted to be operated in one direction through a fluid pressure admitted through pipe 21. The valve is connected in this pipe so that the diametric port 6 ot the valve body is in line with the pipe While the port 7 oi such body opens to the atmosphere.

A. spring 22 is connected to the handle 13 and to the cylinder 1S to hold the valve normally in a position to exhaust to the atmosphere, that it9 With the port 9 in line With the pipe 21 from the cylinder 18. and the port 8 in line with the atmospheric port 7 of the body. A connector 23, as a cord or the like, leads from the handle 13 to a position convenient to the operator, so that the valve may be moved to its Opposite position. that is, with the port 8 in line with the diametric port 6 'ot the valve body. This establishes direct pipe connection through the valve to the cylinder.

lWhat is claimed as new. is:

1. A rotary valve comprising a body havint; a lateral reduced extensiom a conical valve mounted in the body and having a rod extendingr through and bearing; in the eX- tension, a sleeve encirclino: the extension. a pin `passed through the valve rod beyond the extensionand projecting` through a cutout portion in the sleeve to serve as an opeinfitiusry handle. and limiting pins xed in the extension to be engaged by said valve rod pin to limit movement ot the valve.

2. A rotary valve comprisingr a casing having a reduced lateral extension, said vas ing being formed with a conical seat and said lateral extension of the casing and con- Wth line ports and an exhaust port Comneeted to the conical Valve by said means. 10 munoatng with Said seat, a conical Valve In testimony whereof a'hx my signature arranged in said seat, and having a rod exin the presence of two witnesses.

tending through and bearing n said eX- JOHN GORDON. tension, means engaglng one end ofthe Conl- Wltnesses: cal valve to hold sald Valve 1n lts seat, an SUZANNE l\/ICLMIGHLU\I.l

operating handle revolvably mounted on the OSCAR J. HANSON. 

